The Old War Office, completed in 1906, played a crucial role during its operational years, serving as the British Army's administrative headquarters. The building witnessed significant events, including the planning of military strategies during both World Wars. Notably, Ian Fleming, the creator of James Bond, worked here during WWII. The building's transformation into The OWO preserves its historical essence while introducing luxurious accommodations.

The Turret Suite at Raffles London offers a starlet-inspired bedroom adorned with botanical wallpaper and a curved staircase leading to a cupola-topped eyrie. Guests can enjoy breathtaking views of London's skyline, including iconic landmarks like Big Ben and Buckingham Palace. This suite exemplifies the blend of historical architecture and contemporary luxury that defines Raffles London at The OWO.

Designed by Thierry Despont, the interiors of The OWO celebrate its historical associations. From the grand staircase constructed from Piastraccia marble to the iDOGI chandelier reminiscent of two defunct empires, every detail exudes opulence. The corridors feature brass buttons and regimental portraiture, while suites like the Haldane and Churchill Suites retain their historical charm with leather-topped tables and oak panels.

Raffles London at The OWO boasts nine restaurants and three bars, including the signature fine-dining restaurant by Argentine chef Mauro Colagreco. Colagreco's restaurant offers sustainable gastronomy, elevating humble British vegetables to gourmet dishes. The hotel also features Mauro's Table for private dining, Saison for all-day dining, and the exclusive Spy Bar for a more intimate setting.

The OWO offers a comprehensive wellness experience with a 27,000-ft² Guerlain spa, including three subterranean levels and a 20-meter pool. Guests can enjoy a range of treatments, including the Royal Glow Tech Facial, in the opulent Couture Suite. The wellness facilities provide a serene escape, complementing the luxurious and historic ambiance of the hotel.

The transformation of The Old War Office into The OWO by Raffles London represents a perfect blend of historical significance and modern luxury. The hotel's meticulous restoration preserves its historical narrative while introducing contemporary amenities and exquisite design. This balance creates an unparalleled experience, making Raffles London at The OWO a landmark destination for discerning travelers.